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Meeting 2025 TMS Annual Meeting & Exhibition
Symposium Additive Manufacturing Modeling, Simulation and Machine Learning
Presentation Title Controlling Bubble Transport with External Magnetic Fields in Additive Manufacturing
Author(s) Ivars Krastins, Xianqiang Fan, Harry E Chapman, Catherine Tonry, Peter Soar, Koulis Pericleous, Peter D Lee, Andrew Kao
On-Site Speaker (Planned) Ivars Krastins
Abstract Scope Relatively low external magnetic fields, B<1T (within the range of permanent magnets) have been shown to significantly reduce the formation of porosity during additive manufacturing. There are strong indications that this is due to the introduction of a secondary Thermoelectric Magnetohydrodynamic (TEMHD) flow that transports bubbles to the surface. A similar effect is also seen in the segregation of tracer particles when a magnetic field is applied. TESA (Thermoelectric Solidification Algorithm), a numerical model that couples the strong time dependent interaction of thermodynamics (heat and mass transport, melting, solidification) and hydrodynamics (Marangoni, buoyancy and TEMHD driven flows) with bubble (particle) transport is used to understand the underlying mechanisms. TESA consists of several methods/solvers including enthalpy based for solidification, lattice Boltzmann for fluid flow and Lagrangian based particle tracking. The model provides insights into how the magnetic field can be used as an independent control to mitigate porosity defects.
Proceedings Inclusion? Planned:
Keywords Additive Manufacturing, Other, Other

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

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A Deep Learning Framework for Predicting Surface Deformation of Alloys under Uniaxial Tensile Loading at Microscopic Length Scale
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AiDED - Accurate machine learning inference framework for process parameter optimization in laser Directed Energy Deposition
AlloyGPT: an agent-based LLM framework for the design of additively manufactured structural alloys in extreme environments
AM microstructure image prediction using dimension reduction
AMMap Library of Additive Manufacturing Design, Alloy Discovery, and Path Planning
Application of Multi-Physics Simulations and Machine Learning to Predict Spatter in Laser Powder Bed Fusion
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Characterization & modeling of highly directional SS316L microstructure as fabricated by the Area Printing® additive manufacturing process
Comprehensive analysis of 316L samples fabricated via Directed Energy Deposition: integrating simulation with microstructural and mechanical evaluations
Computational materials design for multimaterial additive manufacturing
Controlling Bubble Transport with External Magnetic Fields in Additive Manufacturing
Controlling microstructure and defect through physics-informed machine learning in laser powder bed fusion process
Correlating processing, microstructure and property with machine learning for powder-bed fusion additive manufacturing
Development of a Microstructure-Informed CPFE Model for the High-Temperature Application of SLM Inconel 718 Alloy
Development of a Steady-State 3D Heat Transfer and Materials Flow Model for Multi-Layer Additive Friction Stir Deposition
Digital Shadow Model Reference Control for Directed Energy Deposition
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Efficient Laser Powder Bed Fusion Microstructure and Texture Modeling
Elastoplastic Thermomechanical Simulation of Powder Bed Fusion Incorporating Isotropic Strain Hardening and Cyclic Hardening/Softening Effects: A Comprehensive Approach
Enabling Part-Scale Microstructure Modeling in Powder Bed Fusion
Evaluating Absorptivity from Surface Temperature Measurements of Tracks Produced by Direct Laser Metal Deposition
Finite Element Analysis of Deposition Strategies in Dissimilar Metal Additive Manufacturing
First-principle investigation and modeling of airborne acoustic emission mechanisms in selective laser-metal fusion printing processes
Full-Field Crystal Plasticity Surrogate Modeling for Rapid Defect Assessment in AM Materials
Gaussian process regression modelling and texture control during hot deformation of additively manufactured maraging steels
Generative property optimization of stochastic microstructures
Hierarchical Machine Learning Framework for Optimizing Material Properties.
High-fidelity Numerical Simulation of Droplet-Powder Bed Interactions in Binder Jet Additive Manufacturing.
High fidelity modeling of laser absorptivity and molten pool geometry during powderbed fusion processes of Ti64Al4V with the stationary and moving laser beam sources
Hyperspectral In-Situ Process Monitoring with High-Speed Infrared Pyrometry, Eddy Current Testing, and Machine Learning, for Predictive Analysis of AM Part Properties
Impact of Infill Density and Raster Angle on 3D Printed High Impact Polystyrene (HIPS) Tensile Behavior
Implementation of alloy-specific thermo-fluid modelling for designing Mg alloys suitable for laser powder-bed fusion
Integrating CAFE with MOOSE for Microstructure Evolution Analysis in 316L Stainless Steel 3D Printing Process
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Laser Powder Bed Fusion of Nitinol: Experimental, Analytical and Finite Element Process Investigations
LLM Agents for 3D Printing Error Detection and Correction
Local Stress Analysis of Ti5553 Lattice Structures Under Mixed Mode Stresses
Machine Learning-Driven Predictions of Material Printability in Laser Powder Bed Fusion
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Machine Vision-enabled Defect Characterization in Additively Manufactured Steels
Mathematical Quantification of Meniscus Fluctuations and Asymmetries in a Medium-Thin Slab Mold
Mathematical study of partial blockage of SEN in specific zones on flow patterns in the mold
Mechanical behavior of additively manufactured metamaterials under dynamic load
Mechanical Evaluation of Nested Structures Using Finite Element Analysis
Melt Pool Width Prediction With Machine Learning In Selective Laser Melting
Micromechanical Modeling Exploration of Microstructure-Properties of Additively Manufactured Pure Tantalum
Microstructural investigation and numerical analysis and observation of additively manufactured anti-tetra-chiral 316L stainless steel samples
Microstructure Evolution and the Influence on Material Properties in Additive Manufacturing
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Microstructure Prediction in Laser Powder Bed Fusion via Physics-Based Modeling and In-situ Sensor Data Fusion
Modeling And Simulation Of The Shock Response Of Additively Manufactured High-Performance Steel
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Modeling GMA-DED Bead and Layer Geometry for Defect Elimination
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Multi-fidelity surrogate for integrating melt pool models across diverse input spaces
Multi-Objective Study on Optimization of WAAM Parameters for Optimal Material Properties
Multi-phase-field modeling and high-performance simulations for grain structures depending on scanning strategy during PBF additive manufacturing
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Numerical and experimental investigations of thermal debinding and sintering in low-temperature additive manufacturing of magnesium alloys
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Self-supervised vision transformers for anomaly detection in 3D printing
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Understanding Structure-Property Interplay in 3D Printed Gyroid TPMS Lattices
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